Michael mullanet



(No Model.)

M. MULLANEY.

SPINNINGMULE. No. 249,199. Patented Nov. 8,1881,

, WITNESSESZ WINVENTGRI UNITED ST TE PATENT 1 OFFICE. 1

MICHAEL MULLANEY, on i nnnntvna, MASSACHUSETTS, nss en oa OF ONE-HALF TO eEo eEw. BEAN, or SAME PLACE.

SPINNlNG-MULE.

SPECIFICATION formingpart of Letters Patent No. 249,199, dated November 8, 1881.

Application filed December 24, 1880. (No model.)

To all whom it may concern:

Be it known that I, MICHAEL MULLANEY, of the city of Fall River, in the county of Bristol and State of Massachusetts, have invented 5 anew and useful Improvement in Spinning- Mules; and I hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, formiu g part of this specification.

This invention has reference to an improvement in whatis known as the ParrGurtis mule and spinning-mules of similar construction, such as are used in England and are also largely used in the United States.

Theinvcntion consistsin providing the drum from which the spindles are driven with a peculiar clutch mechanism, by means of which the instant the quadrant'arm moves the spindles also must move, and all backlash is avoided, and thus s'lacked, twisted, and kinked yarn is prevented.

Figure 1 is a partial side view of the headstock of a Parr-Curtis mule, showing the quadrant, the chain connected with the same, and

2 5 the carriage in the position of half-stretch. Fi g.

2 is an enlarged view of the ratchet-gear and pawls, showing the spring for operating the pawls in frictional contact with the sleeve-bearingforthedrum-shaft. Fig.3isaseetionalview of the end of the shaft of the drum from which the spindles are driven, showing the sleevebearing for the shaft provided with two 001- lars, between which a double spring is secured by frictional contact with the sleeve; and con- 3 5 nectcd with said spring are the arms of three pawls, which pawls are supported on pins secured to a disk forming. part of the pinion driven by the large gearshown in Fig. 1.

When in this class of spinning-mulesthe carriage is drawn in, and the yarn spun in the outward movement of the carriage is wound on the spindles, the quadrant holds back on the chain, thereby revolving the drum on which the chain is wound, and hymeans of the large gear on this drum engaging with the small gear on the driving-drum the latter is revolved to effect the winding ot'the yarn on the spindle.

On mules as heretofore constructed the connection of the small gear with the drivingdrum is made by means of the ratchet-gear and a pawl, which pawl has heretofore been liable to slip on the ratchet-wheel, causing backlash, and, as the carriage is at this time moving in, causing slack, and consequently kinked yarn. One of the causes producing such kinked yarn was the fact that with one pawl the samedoes not rest against the face of the teeth on the ratchet-wheel atall times; but the most serious fault lies in the fact that such pawl is liable to stick, and ,fails to operate, owing to the fine wastewhich always covers cottonspinning machinery and frequently clogs and prevents its prompt action. To avoid this difficulty and prevent the kinking of the yarn by rotating the spindles at the very instant the carriage commences to move in, I place two or more pawls on the disk driven by the geared pinion, so that one shall always hear on the face of the ratchet-teeth, and I provide such pawls with arms longer than the pawl, and connect the same with a strong spring, which is held by frictional contact on the stationary sleeve, so that the instant the chain pulls on the drum, when the carriage starts inward, the spindles will commence to wind on the yarn.

In the drawings, a representsthe quadrantarm, in which the nut b can be adjusted in the usual manner to regulate the formation of the cop, as is well understood in the art.

To the nut 12 the chain c is secured, theother end being wound on the drum 01, secured to the carriage e.

To the drum d the large gear f is secured, so as toturu with thesame. This gear f meshes into a small pinion-gear, g, placed loose on the spindle-drum shaft 11-, the disk 6 forming part of, or is secured to, the pinion g. The ratchetwheel is is securedto the shaft It, and the pawls l llare hinged to pins projecting from the said 90 disk 2'. These pawls areprovided with the arms or levers l l, the ends of which are provided with studs, by means of which they are operated by the spring m,'which bears tightly on the sleeve-bearing 0 by frictional contact, 5 so as to turn on the same'with the ratchetgear. When the pawls l l are engaged an additional spring, a, may be used to secure additional frictional contact with the fixed bear ing-sleeveo and to retain the spring at in proper position and prevent it from hearing on or interfering with the prompt action of the pawls, I provide the two shoulders o 0' on the sleeve 0, between which shoulders the springs m and a bear on the sleeve. As the springs m n are bearing on the fixed sleeve, which is held by the set-screw p, the first and slightest motion of the disk 6 carries the pins forward and engages the pawls, and firmly holds the same in contact with the ratchet-wheel 70, revolving with the same in frictional contact with the sleeve 0, and as soon as the diski turns in the opposite direction the pawls are disengaged and out of contact with the ratchet wheel 70, thereby saving power, noise, and wear. The arrangement is quick and accurate in its action; it is strong and durable, not liable to.

' one or the other direction, as the motive force is the overcoming of the frictional contact on.

the fixed sleeve in either direction.

' I am aware that it is old to drive a ratchet wheel by a single pawl pivoted to a rotating disk and constructed with an arm under the control of a spring frictionally supported and turning on a stationary bearing; also, that a ratchet-wheel has been combined with a series of pawls, graduatingly arranged, so that one or the other of them may be in position to drive the ratchet-wheel immediately on rotating the pawlcarrying disk in the direction for drivingthe ratchet-wheel. Idonotclaim either of these features separately.

Having thus described my invention, I claim as new and desire to secure by Letters Patent The combination, substantially as before set forth, of the shaft h, the loose disk 43, means for rotating the disk, the fast ratchet-wheel, a series of graduatingly-arranged pawls pivoted to the said disk and provided with lever-arms, a single rotating spring or device controlling all said pawls through their arms, and a stationary bearing on which the rotating spring or device is frictionally supported.

MICHAEL MULLANEY'.

Witnesses A THOMAS LYNCH, MICHEL HOLLY. 

